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Electric Club Car Electric DS, and Precedent golf cars |
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11-28-2020, 03:37 PM | #1 |
Gone Wild
Join Date: Apr 2013
Location: Deep Run, NC
Posts: 2,534
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Club Car DS Series throttle question.
Having some issues with a 48 volt series club car barely moving. Battery voltage is solid no dropping. It has a MCOR. When I check the ohms between the two throttle wires I'm getting 12k ohms throttle up, and 6k ohms throttle down. Shouldn't that be 5k-0k? Also what is the throttle output voltage and input voltage suppose to be on these carts? I think it's a throttle issue. Just trying to verify.
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11-28-2020, 03:47 PM | #2 |
Gone Wild
Join Date: Apr 2013
Location: Deep Run, NC
Posts: 2,534
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Re: Club Car DS Series throttle question.
I'm only getting 2v on the throttle output pin on the controller and 1 volt coming back from the MCOR with pedal down. Pack voltage on pin 1. Bad controller??
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11-29-2020, 07:26 AM | #3 |
Gone Wild
Join Date: Dec 2009
Location: Aiken, SC
Posts: 13,004
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Re: Club Car DS Series throttle question.
I am not a club car guy but I wouldn’t worry about the voltage on those pins as it is reading a pot vs being a switch. As for impedance some of those have resistors in the harness so that could skew your readings.
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11-29-2020, 04:36 PM | #4 |
Bonafide Nincompoop
Join Date: Dec 2015
Location: Charlottesburg Va
Posts: 8,987
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Re: Club Car DS Series throttle question.
What year is the cart?
Should have about 5v coming from the controller to throttle if I remember right. Where are you taking voltage readings? Where is your meter black lead for those readings? Where are you taking resistance readings for the MCOR? At the MCOR or at the controller? |
11-29-2020, 04:45 PM | #5 | |
Gone Wild
Join Date: Apr 2013
Location: Deep Run, NC
Posts: 2,534
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Re: Club Car DS Series throttle question.
Quote:
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11-30-2020, 10:25 AM | #6 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Club Car DS Series throttle question.
The MCORs before the "4" model were around 1k to 6k range.
There is also a 5.1K resistor added in Series with the Throttle when the FNR is in Reverse. Your readings indicate the FNR was in Reverse or the reduced speed micro-switch failed and the resistor is in the circuit full time. The voltage on Terminal #2 should be fixed at around 5v. The voltage on terminal #3 should be the throttle signal (wiper output from MCOR) and vary between 0.3v and 4.65v as You press the pedal when in Forward. |
11-30-2020, 10:40 AM | #7 | |
Gone Wild
Join Date: Apr 2013
Location: Deep Run, NC
Posts: 2,534
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Re: Club Car DS Series throttle question.
Quote:
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11-30-2020, 10:51 AM | #8 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Club Car DS Series throttle question.
If it was in Reverse the maximum voltage on terminal #3 should have been around 2.5v.
I suggest you repeat the test with the FNR in Neutral and if you still get the high resistance and low voltage readings by-pass the reverse micro-switchg by jumping the Green and the White wires together on micro-switch #3. |
11-30-2020, 07:25 PM | #9 | |
Gone Wild
Join Date: Apr 2013
Location: Deep Run, NC
Posts: 2,534
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Re: Club Car DS Series throttle question.
Quote:
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12-01-2020, 06:48 AM | #10 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Club Car DS Series throttle question.
If You have a 3-wire throttle, pack voltage on Terminal #1 and are only getting 2v on Terminal #2 with the MCOR wire disconnected from the terminal, then it sounds like the Controller is bad.
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